From owner-freebsd-questions Tue Dec 23 13:34:07 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id NAA10509 for questions-outgoing; Tue, 23 Dec 1997 13:34:07 -0800 (PST) (envelope-from owner-freebsd-questions) Received: from awfulhak.demon.co.uk (awfulhak.demon.co.uk [158.152.17.1]) by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id NAA10456 for ; Tue, 23 Dec 1997 13:33:46 -0800 (PST) (envelope-from brian@awfulhak.org) Received: from gate.lan.awfulhak.org (localhost [127.0.0.1]) by awfulhak.demon.co.uk (8.8.7/8.8.7) with ESMTP id VAA13858; Tue, 23 Dec 1997 21:09:58 GMT (envelope-from brian@gate.lan.awfulhak.org) Message-Id: <199712232109.VAA13858@awfulhak.demon.co.uk> X-Mailer: exmh version 2.0zeta 7/24/97 To: bill@twwells.com (T. William Wells) cc: freebsd-questions@freebsd.org Subject: Re: ppp mtu/mru In-reply-to: Your message of "Tue, 23 Dec 1997 13:08:01 EST." <67ouit$ck2$1@twwells.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Tue, 23 Dec 1997 21:09:58 +0000 From: Brian Somers Sender: owner-freebsd-questions@freebsd.org X-Loop: FreeBSD.org Precedence: bulk > On a related subject.... ppp does priority queuing for telnet and > such. However, it doesn't have much effect because the serial > driver *also* buffers data. This makes interactive use during, > e.g., news downloads really painful.... And thoughts on how to > improve this? Not really. We need to have the sio buffering so that there'll be a continuous stream of data to send (while ppp's doing other things). I would think that the default max queue size (2248 bytes?) would be sufficient for good response with a reasonably fast modem - a 33.6k modem should send 2248 bytes in about .53 of a second. -- Brian , , Don't _EVER_ lose your sense of humour....